# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/rockchip-saradc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Rockchip Successive Approximation Register (SAR) A/D Converter

maintainers:
  - Heiko Stuebner <heiko@sntech.de>

properties:
  compatible:
    oneOf:
      - const: rockchip,saradc
      - const: rockchip,rk3066-tsadc
      - const: rockchip,rk3399-saradc
      - items:
          - enum:
              - rockchip,px30-saradc
              - rockchip,rk3308-saradc
              - rockchip,rk3328-saradc
              - rockchip,rk3568-saradc
              - rockchip,rv1108-saradc
              - rockchip,rv1126-saradc
          - const: rockchip,rk3399-saradc

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    items:
      - description: converter clock
      - description: peripheral clock

  clock-names:
    items:
      - const: saradc
      - const: apb_pclk

  resets:
    maxItems: 1

  reset-names:
    const: saradc-apb

  vref-supply:
    description:
      The regulator supply for the ADC reference voltage.

  "#io-channel-cells":
    const: 1

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - clock-names
  - vref-supply
  - "#io-channel-cells"

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/rk3288-cru.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    saradc: saradc@2006c000 {
      compatible = "rockchip,saradc";
      reg = <0x2006c000 0x100>;
      interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
      clocks = <&cru SCLK_SARADC>, <&cru PCLK_SARADC>;
      clock-names = "saradc", "apb_pclk";
      resets = <&cru SRST_SARADC>;
      reset-names = "saradc-apb";
      vref-supply = <&vcc18>;
      #io-channel-cells = <1>;
    };
